1. an organized military force equipped for fighting on land: "the two armies were in position"Similararmed forcefighting forcedefense forcemilitary forcethe militaryland forcesoldieryinfantrymilitiahordetroopssoldiersland forcesinformal, dated:thin red linearchaic:host
▪ the branch of a nation's armed services that conducts military operations on land: "an enlisted man in the army"